| Message ID | 20200708133800.3336-1-m.szyprowski@samsung.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | [RESEND] phy: exynos5-usbdrd: Calibrating makes sense only for USB2.0 PHY | expand |
On Wed, Jul 08, 2020 at 03:38:00PM +0200, Marek Szyprowski wrote: > PHY calibration is needed only for USB2.0 (UTMI) PHY, so skip calling > calibration code when phy_calibrate() is called for USB3.0 (PIPE3) PHY. > > Fixes: d8c80bb3b55b ("phy: exynos5-usbdrd: Calibrate LOS levels for exynos5420/5800") > Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> > --- > drivers/phy/samsung/phy-exynos5-usbdrd.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Best regards, Krzysztof
On 08-07-20, 15:38, Marek Szyprowski wrote: > PHY calibration is needed only for USB2.0 (UTMI) PHY, so skip calling > calibration code when phy_calibrate() is called for USB3.0 (PIPE3) PHY. Applied, thanks
diff --git a/drivers/phy/samsung/phy-exynos5-usbdrd.c b/drivers/phy/samsung/phy-exynos5-usbdrd.c index 646259bee909..f07edd80d2f3 100644 --- a/drivers/phy/samsung/phy-exynos5-usbdrd.c +++ b/drivers/phy/samsung/phy-exynos5-usbdrd.c @@ -714,7 +714,9 @@ static int exynos5_usbdrd_phy_calibrate(struct phy *phy) struct phy_usb_instance *inst = phy_get_drvdata(phy); struct exynos5_usbdrd_phy *phy_drd = to_usbdrd_phy(inst); - return exynos5420_usbdrd_phy_calibrate(phy_drd); + if (inst->phy_cfg->id == EXYNOS5_DRDPHY_UTMI) + return exynos5420_usbdrd_phy_calibrate(phy_drd); + return 0; } static const struct phy_ops exynos5_usbdrd_phy_ops = {
PHY calibration is needed only for USB2.0 (UTMI) PHY, so skip calling calibration code when phy_calibrate() is called for USB3.0 (PIPE3) PHY. Fixes: d8c80bb3b55b ("phy: exynos5-usbdrd: Calibrate LOS levels for exynos5420/5800") Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> --- drivers/phy/samsung/phy-exynos5-usbdrd.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)